How to solve the error code 0x800705B4: Windows update error in Windows 7

There are several ways to solve the error code 0x800705B4 in Windows 7:

1. Restart your computer: Sometimes, a simple restart can fix the issue. So, try restarting your computer and check if the error is resolved.
2. Disable antivirus software: Antivirus software can sometimes interfere with Windows updates. So, try disabling your antivirus software temporarily and check if the error is resolved.
3. Run Windows Update troubleshooter: Windows has a built-in troubleshooter that can fix common Windows update errors. To run the troubleshooter, go to Control Panel > Troubleshooting > System and Security > Fix problems with Windows Update.
4. Check your internet connection: Make sure that your internet connection is stable and working properly. A poor internet connection can cause Windows update errors.
5. Reset Windows Update components: If the above methods don't work, you can try resetting the Windows Update components. To do this, open Command Prompt as an administrator and type the following commands one by one:

   net stop wuauserv
   net stop cryptSvc
   net stop bits
   net stop msiserver
   ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
   ren C:\Windows\System32\catroot2 catroot2.old
   net start wuauserv
   net start cryptSvc
   net start bits
   net start msiserver

Perform a clean boot: Sometimes, third-party software can interfere with Windows updates. To check if this is the case, perform a clean boot by following these steps:

a. Press Windows key + R to open the Run dialog box.
b. Type msconfig and press Enter.
c. In the System Configuration window, click on the Services tab.
d. Check the box next to Hide all Microsoft services.
e. Click on Disable all.
f. Go to the Startup tab and click on Open Task Manager.
g. Disable all the startup items.
h. Close Task Manager and go back to the System Configuration window.
i. Click on Apply and then OK.
j. Restart your computer and try to install the updates again.